Assignee
Inventors
- Fumio Hirai (5 patents)
- Osami Ito (4 patents)
- Hiroyuki Yamada (357 patents)
- Hiroshi Ichikawa (108 patents)
- Hidetaka Hokazono (3 patents)
- Tomohiko Yamamoto (71 patents)
- Kosuke Murai (14 patents)
US Patent 8733421 · Granted May 27, 2014